A generic insulting noun, coined by Butthead of MTV's Beavis and Butthead.
While they were watching the premier of GWAR's "Saddam a Go-Go" video, Beavis got in Butthead's line of view of the TV. Butthead shouted "Move it, fartknocker!"
by SoulfulZen May 14, 2005
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derogatory term used to describe a homosexual male. a term given to the penetrator, not the penetraitee. the act of man on man love would "knock" a fart back up where it came from. similar too 'packing the fudge'
they're just a couple of fartknockers.
by tony bob May 19, 2006
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A totally disreputable person.

Common since the mid-1950s.
That yuppie boss of ours is a real fartknocker.
by Bumkicker Slade May 10, 2005
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A juvenile way to describe a person who penetrates an anus in sexual intercourse. A blend of 'fart' and 'knocking on the back door,' slang for proposing anal sex.
Jimmy: I know you want to butt-fuck the R.A.
Timmy: blushes I do not!
Jimmy: laughs Yeah, you do, you're such a fartknocker.
by Stoned Faux July 26, 2018
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One who engages in anal sex, the penetrator, not the penetratee
He's a right fartknocker
by Greblord February 01, 2005
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A wretched person who sits in a bathtub and bites the bubbles caused by underwater methane emanation.
Dude, Billy's breath smells so bad, I swear that dude is a fartknocker.
by jb3rocks33 November 03, 2009
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